CN1222244A - Portable data transmission device and fastening element - Google Patents
Portable data transmission device and fastening element Download PDFInfo
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- CN1222244A CN1222244A CN 97195620 CN97195620A CN1222244A CN 1222244 A CN1222244 A CN 1222244A CN 97195620 CN97195620 CN 97195620 CN 97195620 A CN97195620 A CN 97195620A CN 1222244 A CN1222244 A CN 1222244A
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- fixture
- data carrier
- coupling element
- base plate
- electronic circuit
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Abstract
A portable data transmission device for the contactless transmission of electric signals and data to a read-write station has a data carrier (2) in which an electronic circuit is integrated with a data storage, and a coupling element (3) associated to the electronic circuit and arranged or supported at a predetermined position in space with respect to the electronic circuit. The data carrier (2) and the coupling element (3) are designed as autonomous components which can be used independently of each other. A fastening element (4) at least partially adapted to the outer dimensions of the data carrier (2) supports the data carrier (2) and the coupling element (3) in its predetermined position with respect to the data carrier (2).
Description
Invention relates to a kind of portable data transmission device that is used for electric signal or data are transferred to non-contactly a head write station, have the coupling element that a data carrier that wherein is integrated with an electronic circuit with a data storer and set for electronic circuit, this coupling element is located at or is bearing in respect to electronic circuit on the predetermined locus.In addition, invention also relates to a kind of fixture that is used to support the coupling element of data carrier, and in data carrier, an electronic circuit is the structure that is integrated with a data storer, wherein, the electronic circuit of data carrier is equipped with and is located at a coupling element on the predetermined locus.
Usually the application that is the chip card of ticket card form becomes very broad based on its dirigibility high, function aspects and along with computer efficiency and raising memory span of operational integrated circuit is continuing to enlarge.This chip card except with medical insurance card, slip timecard, phonecard and similarly the form of card be the present typical field of application, particularly be applied in the credit payment of electronics in the future, to the peek control of computing machine, protected data storer or the like aspect.With regard to regard to the coupling scheme of terminal or head write station, be divided into contact chip card and so-called contactless chip card.In the contact chip card, contact is to be undertaken by the metal bank that has usually by the surface of contact of iso standard calibration.In addition, also have contactless chip card, compare with the contact chip card, contactless chip card also provides a series of in significant, the new possibility of application facet for chip card editor and chip card end user except that the advantage that possesses skills.For example, contactless chip card is not necessarily must be inserted into card reader, but the almost system of distance work of being separated by is arranged.Wide application is public suburbs passenger traffic for example, in public suburbs passenger traffic, has the people as much as possible must be by ticket checking in the short as far as possible time.Except that other strong point, contactless chip card also provides following advantage,, can't see the technology element on the surface of card that is, and in view of the above, the vision profile on card surface is not limited by magnetic stripe or surface of contact.The shortcoming of present operational contactless chip card at first is, the additional device that should include chip card in must be set, as transmission coil or capacitor plate.In addition, the electronic package that needs in contactless chip card, be used for electric signal is transferred to head write station is than expensive.Can be suitable in principle by the circuit of microwave, light signal, capacitive couplings or the transmission of induction type coupling carrying out signal and make required electronic package, wherein, because chip card is flat structure, so condenser type or induction type coupling are the most suitable.At present, in the overwhelming majority's contactless chip card, transmission is to carry out on the approach of induction, can be in order to realize data transmission, and again can be in order to realize power transfer.Therefore, in the card body, be integrated with one or more inductive coils.The suitable mode of these inductive coils and the circuit contacts that is on the semi-conductor chip.The transmission of electric signal is to be undertaken by the principle of loosely coupled transformer, and wherein, carrier frequency for example is in 100 to 300KHz the scope or several MHz are arranged, and particularly is in the scope of industrial frequency of 13.56MHz.For this reason, need such inductive coil, the shared area of this inductive coil is being about 30 to 40cm in typical case
2, this is far longer than its area is about 10mm
2The basal plane of semi-conductor chip, wherein, inductive coil has only several circles usually and is flat structure.Usually, semiconductor element is with the form of prefabricated module or directly be mounted on the etched coil as chip.Subsequently, the chip module as member existence separately when making chip card is folded into together with inductive coil in the card body, wherein, in order to carry out volumetric balance, perhaps has the intermediate film of punching to be placed into as inner tube of a tyre film on it when superimposed.The one, by the maximum constructive height given in advance (about 840 μ m) of ISO-chip card, thereby two be based on by iso standard bending property given in advance all to being provided with and setting up the imaginabale possibility of inductive coil and the magnetic flux density that can reach maximum causes restriction.An important parameters in the contactless chip card is a coverage, promptly between chip card and the head write station, can carry out the ultimate range of data transmission betwixt flawlessly.Except that relevant with the characteristic of head write station, the maximum coverage that can reach at first with chip card in inductive coil with the ratio of semi-conductor chip on coupling and relevant with useful area as the inductive coil of antenna work, wherein, based on chip card size given in advance, the area of inductive coil is restricted certainly.
Task of the present invention is to provide a kind of contactless chip card device, can reach read/write distance in order to can improve the read/write reliability when contactless chip card is inswept before head write station and can increase maximum.
The technical scheme that solves above task is described portable data transmission device of claim 1 and the described fixture of claim 9.
The invention regulation, data carrier and coupling element for respectively independently, the element structure that can use with being independent of each other, and be provided with a fixture that cooperates with physical dimension to the small part of data carrier, this fixture supports data carrier on the one hand, on the other hand coupling element is bearing in respect on position data carrier, predetermined.
The fixture that is used to support the coupling element of establishing for data carrier of the present invention is characterised in that, have a base plate and a cover plate that covers base plate at least in part, this cover plate is supported by a fulcrum arrangement in the limit of base plate portion, wherein, coupling element be insert among the base plate or insert among the cover plate or insert among this two boards.
Compare with previous disclosed contactless chip card, the present invention has series of advantages.One, a coupling element of strengthening antenna effect when electric signal is transferred to head write station non-contactly can be optimized aspect the maximum reading/writing distance that can reach under the situation that the given physical dimension with chip card has nothing to do.In view of the above, but for example maximum these several millimeters of the structure heights of coupling element, this provides possibility for adopting Ferrite Material as coupling element, in view of the above, for example carries out can improving reading certainty and can increasing maximum greatly when contactless peek is controlled reading distance the user.Its two, the fixture with coupling element can be used continually arbitrarily and for example can be used again after abandoning chip card.
In a preferred form of implementation of invention, can stipulate that fixture is the encapsulating structure of data carrier and holds data carrier at least in part.Wherein, this is sealed and can under any circumstance be used as the protective device of contactless chip card and be used as decorative carrier and advertising carrier.In addition, this foreskin also can by transparent or at least the material of partially transparent make, and in view of the above, in the data carrier of inserting this foreskin, can guarantee to see the font on the data carrier.
In addition, can stipulate advantageously that also coupling element is fixed on the fixture enduringly, and fixture and data carrier are for structure that can break away from mutually, mechanical connection or setting.In view of the above, among data carrier is received and is fixed on fixture or on situation under, coupling element is guaranteed with respect to the location of electronic circuit, and can guarantee extremely easy connection and disengaging between data carrier and the coupling element.
In a particularly preferred form of implementation of invention, stipulate, data carrier is a contactless chip card with inductive coil in the card body that is integrated in chip card, that be electrically connected with electronic circuit, and coupling element has the magnetic material of attaching troops to a unit in inductive coil.Magnetic material can be a kind of as the Ferrite Material in the solid adding fixture, wherein, except that traditional Ferrite Material, also can adopt other suitable magnetic material.Such as rareearth magnetic material, as barium titanate and similar rareearth magnetic material.Under the ferritic situation that adopts these magnetic flux densities that are used for improving the inductive coil that is contained in chip card, in any case people need can not be subjected to the constraint of satisfied bending property predetermined value in original chip card according to principle of the present invention; And when directly adding Ferrite Material in the card, in any case required ISO bending test predetermined value is inaccessible.
Another preferred form of implementation of invention is characterised in that fixture is by plastic production, and coupling element particularly adds in the fixture with the form of the magnetic particle of plastic bonding.In this case, fixture also can reach specified standard set-point in chip card aspect the bending property.
In a particularly preferred form of implementation of invention, stipulate, fixture is for being used for holding at least in part the structure of data carrier with the form of pocket, this pocket has a base plate and a cover plate that covers base plate at least in part, and this cover plate is supported by a fulcrum arrangement in the limit of base plate portion.Wherein, fulcrum arrangement can be the sept of U-shaped basically and/or each be distributed in the portion of base plate limit, mutually the interval bridge construction of spacing arranged.In this form of implementation, coupling element or can only add on the precalculated position in the sidewall of the fixture that is parallel to chip card or in order to improve greatly in two sidewalls that are parallel to chip card that antenna effect can add fixture.
From following by means of further feature, advantage and the applicability of accompanying drawing to explanation invention the description of embodiment.Accompanying drawing is depicted as:
The total synoptic diagram in cross section of the portable data transmission device of the fixture among the embodiment of Fig. 1 invention with a data carrier (contactless chip card) and a supporting coupling element;
The schematic section of the data transmission device among another embodiment of Fig. 2;
The schematic section of the data transmission device among another embodiment of Fig. 3.
The embodiment shown in Fig. 1 to 3 of invention comprises a portable data transmission device 1 that is used for electric signal or data are transferred to contactlessly unshowned in the drawings, a fixing head write station, has one with commercial common contactless chip card data carrier 2 and coupling element 3 by the magnetic material making for its form of expression.Contactless chip card 2 comprise a ticket card format structure, by the card body 11 of plastic production, in the card body, be integrated with one and be based upon an electronic circuit on the semi-conductor chip, that have a data storer and an inductive coil that links to each other with above electronic circuit, wherein, the wire turn of inductive coil occupies the area of the external dimensions that roughly is equivalent to card body 11 under the situation of the card area of the maximum of utilizing chip card 2.This making with contactless chip card of integrated inductive coil and semi-conductor chip is known the professional, therefore, need not encyclopaedize at this.
According to invention, be provided with a fixture 4 that cooperates at least in part with the external dimensions of data carrier 2, this fixture 4 is supporting data carriers 2, two, with respect to data carrier 2 coupling element 3 is bearing on the predetermined position.Coupling element 3 is fixed on enduringly or is infused on the fixture 4.In the preferred embodiment shown in Fig. 1 to 3; fixture 4 is that a pocket that is used for almost completely (Fig. 1 and 2) with or holds (Fig. 3) data carrier 2 fully is the sheath form of expression, that be used to protect contactless chip card; this pocket has a base plate 5 and a cover plate 6 that covers base plate 5 at least in part; this cover plate 6 is bearing in the limit portion of base plate 5 by a fulcrum arrangement 7; wherein, fulcrum arrangement 7 is the spacer structures of U-shaped basically.The sept 7 of U-shaped for example is to be bonded in the limit portion of base plate 5, and supporting is bonded in the cover plate 6 on the sept 7, makes cover plate 6 apart from base plate 5 one section definite distance be arranged.In view of the above, be to lean on fulcrum arrangement 7 involutions on three sides at the fixture shown in Fig. 1 to 34, have only a side to open wide.Perhaps transparent base plate 6 and cover plate 6 are respectively by flexibility, anti-mechanical fatigue and plastics dimensionally stable, make as PC or polyester.Also the gross thickness of the cover plate 6 that is made of a plurality of films for example is 0.25mm to 2mm.The height of fulcrum arrangement 7 is fixed then really and is, can guarantee that data carrier 2 inserts in the fixture 4 easily, so this height is for example for being slightly more than 840 μ m.In another unshowned in the drawings embodiment of invention, substitute the sept 7 of U-shaped, fulcrum arrangement can be in each limit portion that is distributed in base plate 5, mutually the interval bridge construction of spacing arranged, in this case, fixture 4 is not a complete closed in its three limit portions, but between cover plate 6 and base plate 5, have the space, in view of the above, data carrier 2 can more easily be inserted in the fixture 4.In another also unshowned in the drawings embodiment of the fixture of inventing, the material of base plate is identical with the material of cover plate.This fixture for example is as above simple structure, and promptly unique, its area is Duoed one times cover plate than the chip card area and is folded in the center and such as is bonded together by the U-shaped sept with adhesive surface at its three avris.In another form of implementation, to make in order to be more convenient for, the part that is supported in the portion of base plate limit of cover plate is the fulcrum arrangement structure, in view of the above, cover plate and fulcrum arrangement are structure as a whole.Wherein, the limit section of the formation fulcrum arrangement of cover plate can be deep drawn, compacting, folding and bending or pass through other method and set up.
In the embodiment shown in fig. 1, accompany one deck ferrite 12 thin, sheet shape in cover plate 6, the basal plane of ferrite-plate 12 almost completely equals the corresponding external dimensions in data carrier 2.In this case, cover plate 6 is made of two its areas plastic sheeting identical, that accompany ferrite-plate 12 betwixt, and the limit portion of these two plastic sheetings is welded to each other.
In the embodiment shown in Figure 2, all accompany ferrite 8 and 9 in cover plate 6 and in base plate 5, ferritic thickness is respectively such as about 0.5mm to 1mm.
In the embodiment shown in fig. 3, be added with magnetic particle 10 respectively in for the base plate 5 of the plastic film structures of about 1mm to 2mm and cover plate 6 being respectively its thickness.
Claims (14)
1. transfer to the portable data transmission device of a head write station non-contactly with handgrip electric signal or data, have one and wherein be integrated with the coupling element (3) that a data carrier (2) with electronic circuit of a data storer and set for electronic circuit, this coupling element is located at or is bearing in respect to electronic circuit on the predetermined locus, it is characterized in that, data carrier (2) and coupling element (3) are respectively independently, the element structure that can use with being independent of each other, and be provided with a fixture (4) that cooperates with physical dimension to the small part of data carrier, this fixture supports data carrier (2) on the one hand, is bearing in coupling element (3) with respect to data carrier (2) on the other hand, on the predetermined position.
2. according to the described data transmission device of claim 1, it is characterized in that fixture (4) is the encapsulating structure of data carrier (2), and hold data carrier (2) at least in part.
3. according to claim 1 or 2 described data transmission devices, it is characterized in that coupling element (3) is fixed on the fixture (4) enduringly, and fixture (4) and data carrier (2) be can break away from mutually ground, mechanically is connected or setting.
4. according to the described data transmission device of one of claim 1 to 3, it is characterized in that, data carrier (2) is a contactless chip card with inductive coil in the card body that is integrated in chip card, that be electrically connected with electronic circuit, and coupling element (3) has the magnetic material of attaching troops to a unit in inductive coil.
5. according to the described data transmission device of one of claim 1 to 4, it is characterized in that fixture is by plastic production, and coupling element particularly adds fixture (4) with the form of the magnetic particle of plastic bonding.
6. according to the described data transmission device of one of claim 1 to 5, it is characterized in that, fixture (4) is for being used for holding at least in part the structure of data carrier 2 with the form of pocket, this pocket has a base plate (5) and a cover plate (6) that covers base plate (5) at least in part, and this cover plate (6) is supported by a fulcrum arrangement (7) in the limit portion of base plate (5).
7. according to the described data transmission device of claim 6, it is characterized in that, fulcrum arrangement (7) for the sept of U-shaped basically and/or each be distributed in base plate (5) the limit portion, mutually the interval bridge construction of spacing arranged.
8. according to claim 6 or 7 described data transmission devices, it is characterized in that, coupling element (3) be add in the base plate (5) or add in the cover plate (6) or add among the two.
9. be used for the fixture that supporting is used for the coupling element (3) of data carrier (2), in data carrier (2), electronic circuit of integrator with a data storer, wherein, the electronic circuit of data carrier is equipped with and is located at a coupling element on the predetermined locus, it is characterized in that, this fixture has a base plate (5) and a cover plate (6) that covers base plate (5) at least in part, this cover plate (6) is supported in the limit portion of base plate (5) by a fulcrum arrangement (7), wherein, coupling element (3) is placed in base plate (5) or the cover plate (6) or is placed among both.
10. according to the described fixture of claim 9, it is characterized in that, fulcrum arrangement (7) for the sept of U-shaped basically and/or each be distributed in base plate (5) the limit portion, mutually the interval bridge construction of spacing arranged.
11., it is characterized in that fixture (4) is made of plastics according to claim 9 or 10 described fixtures, and coupling element (3) adds in the fixture (4) with the form of the magnetic particle of plastic bonding particularly.
12., it is characterized in that fixture (4) is for the encapsulating structure of data carrier (2) and hold data carrier (2) at least in part according to the described fixture of claim 9 to 11.
13., it is characterized in that coupling element (3) is fixed on the fixture (4) enduringly according to the described fixture of claim 9 to 12, and fixture (4) and data carrier (2) for can break away from mutually ground, mechanically is connected or setting.
14. according to the described fixture of claim 9 to 13, it is characterized in that, data carrier (2) is a contactless chip card with inductive coil in the card body that is integrated in chip card, that be electrically connected with electronic circuit, and coupling element (3) has the magnetic material of attaching troops to a unit in inductive coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97195620 CN1222244A (en) | 1996-07-18 | 1997-06-26 | Portable data transmission device and fastening element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19629086.4 | 1996-07-18 | ||
| CN 97195620 CN1222244A (en) | 1996-07-18 | 1997-06-26 | Portable data transmission device and fastening element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1222244A true CN1222244A (en) | 1999-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97195620 Pending CN1222244A (en) | 1996-07-18 | 1997-06-26 | Portable data transmission device and fastening element |
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| Country | Link |
|---|---|
| CN (1) | CN1222244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703146A (en) * | 2011-12-16 | 2016-06-22 | 九尊城网络科技（深圳）有限公司 | Data transmission device |
-
1997
- 1997-06-26 CN CN 97195620 patent/CN1222244A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703146A (en) * | 2011-12-16 | 2016-06-22 | 九尊城网络科技（深圳）有限公司 | Data transmission device |
| CN105703146B (en) * | 2011-12-16 | 2018-05-18 | 东莞市智钢五金电子有限公司 | Data transmission device |
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